Ratios its hard can i have some answers

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Which is f(5) for the function –2x2 + 2x - 3?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]